/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements.  See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership.  The ASF licenses this file

 * to you under the Apache License, Version 2.0 (the

 * "License"); you may not use this file except in compliance

 * with the License.  You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

package com.bff.gaia.unified.sdk.transforms.windowing;



import com.bff.gaia.unified.sdk.annotations.Internal;

import com.bff.gaia.unified.sdk.transforms.Reshuffle;

import org.joda.time.Instant;



import java.util.List;



/**

 * <b>For internal use only; no backwards compatibility guarantees.</b>

 *

 * <p>The trigger used with {@link Reshuffle} which triggers on every element and never buffers

 * state.

 *

 * @param <W> The kind of window that is being reshuffled.

 * @deprecated The intended side effect of {@link Reshuffle} is not portable; it will likely be

 *     removed

 */

@Internal

@Deprecated

public class ReshuffleTrigger<W extends BoundedWindow> extends Trigger {



  public ReshuffleTrigger() {

    super();

  }



  @Override

  protected Trigger getContinuationTrigger(List<Trigger> continuationTriggers) {

    return this;

  }



  @Override

  public Instant getWatermarkThatGuaranteesFiring(BoundedWindow window) {

    throw new UnsupportedOperationException(

        "ReshuffleTrigger should not be used outside of Reshuffle");

  }



  @Override

  public String toString() {

    return "ReshuffleTrigger()";

  }

}